The same problem happened to me on a GT-BE98PRO. Out of nowhere all wireless signals went down. It was just updated toASUS GT-BE98 Pro Firmware version 3.0.0.6.102_39112. I factory reset and manually put in all my settings, again within 2 days ever...
I did not experience any instability. In fact it was rock solid. NO MEMEMORY leak at all, unlike every released firmware to date including the Merlin firmware. Running now and I have no problems. 42 connections, guest network VLAN everything rock sol...
